Makhul al-Azdi said, "I was beside Ibn 'Umar when a man sneezedon one side of the mosque. Ibn 'Umar said, 'May Allah have mercy on youif you praised Allah.'" (RU)
English reference (RU): Book 40, Hadith 936 (RU)
Arabic reference (RU): Book 1, Hadith 936 (RU)